So which WA lenses with good coma correction? Zeiss 21/2.8 Distagon and 25/2 Distagon are fine performers then surprisingly Canon zooms such as 16-35 II (soft corners but good coma correction) and the new 24-70/2.8 II are also excellent (huge vignetting though just like the 21/2.8 Distagon). Theses lenses are good even on FF.
New Listing Canon EF 24-70mm F/2.8L USM II In PRISTINE condition. $281.00. 2 bids. $18.45 shipping. Ending Jan 3 at 6:07PM PST 6d 19h. Canon EF 135-135mm F/2L USM Lens

Canon 100-400mm II vs 300mm 2.8. Dec 17, 2014. 2. Just received my 100-400 II and am blown away by the image quality. I own the 70-200 2.8L and just on initial early inspection, the images seem as sharp (in some instances even sharper) at the same aperture as the 100-400 II.

First, let's first look at image quality. At f/1.4, the Canon 24L II is sharp in the center but the mid-frame and corners are noticeably softer. The Sigma 24 Art trails the Canon in center sharpness wide open, but it features a more even sharpness across the entire frame which results in the mid-frame and corners being sharper than the Canon
The Canon EF 1.4x III Extender mounts between your Canon EOS Digital SLR and a compatible lens (primarily Canon L Series lenses), extending the focal length of the lens by a noticeable 1.4x. The 1.4x III is a small and light addition to your kit, an only moderate hit on your wallet and it provides a noticeable increase in your focal length. . 342 103 18 74 6 405 492 347

canon ef 24 1.4 l ii